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Atoms
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Atom: is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons
Atomic Nucleus: contains a mix of positively charged protons and electrically neutral neutrons.
Electromagnetic Force: The electrons of an atom are bound to the nucleus by the_______.
Scanning Tunneling Microscope: Atoms can only be observed individually using special instruments such as the ______.
Radioactive Decay: Each element has at least one isotope with an unstable nucleus that can undergo
Molecule: A group of atoms can remain bound to each other by chemical bonds based on the same force, forming a _______.
Ion: An atom containing an equal number of protons and electrons is electrically neutral, otherwise it is positively or negatively charged and is known as an ____.
Number Of Protons: determines the chemical element
Number Of Neutrons: determines the isotope of the element.
Magnetic Properties: The electrons determine the chemical properties of an element, and strongly influence an atom's __________.
Atoms
Across:3. | determines the chemical element | 5. | contains a mix of positively charged protons and electrically neutral neutrons. | 6. | An atom containing an equal number of protons and electrons is electrically neutral, otherwise it is positively or negatively charged and is known as an ____. | 7. | is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons | 8. | A group of atoms can remain bound to each other by chemical bonds based on the same force, forming a _______. | 9. | determines the isotope of the element. |
| | Down:1. | Each element has at least one isotope with an unstable nucleus that can undergo | 2. | The electrons determine the chemical properties of an element, and strongly influence an atom's __________. | 4. | The electrons of an atom are bound to the nucleus by the_______. |
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PuzzleFast.com, Noncommercial Use Only
Atoms
Across:3. | determines the chemical element | 5. | contains a mix of positively charged protons and electrically neutral neutrons. | 6. | An atom containing an equal number of protons and electrons is electrically neutral, otherwise it is positively or negatively charged and is known as an ____. | 7. | is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons | 8. | A group of atoms can remain bound to each other by chemical bonds based on the same force, forming a _______. | 9. | determines the isotope of the element. |
| | Down:1. | Each element has at least one isotope with an unstable nucleus that can undergo | 2. | The electrons determine the chemical properties of an element, and strongly influence an atom's __________. | 4. | The electrons of an atom are bound to the nucleus by the_______. |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only